# TextProBarV1.py
# import time
# scale = 10
# print("------执行开始------")
# for i in range(scale + 1):
#     a = '*' * i
#     b = '.' * (scale - i)
#     c = (i / scale) * 100
#     print("{:^3.0f}%[{}->{}]".format(c, a, b))
#     time.sleep(0.5)
# print("------执行结束------")

# TextProBarV2.py
# import time
# for i in range(101):
#     print("\r{:3}%".format(i), end="")
#     time.sleep(0.1)

# TextProBarV3.py
import time
scale = 50
print("执行开始".center(scale//2, "-"))
start = time.perf_counter()
for i in range(scale+1):
    a = '*' * i
    b = '-' * (scale - i)
    c = (i/scale) * 100
    dur = time.perf_counter() - start
    print("\r{:^3.0f}%[{}->{}]{:.2f}s".format(c, a, b, dur), end='')
    time.sleep(0.1)
print("\n" + "执行结束".center(scale//2, '-'))
